Chiral Phase Transition Temperature in (2+1)-Flavor QCD

Ding H-T, Hegde P, Kaczmarek O, Karsch F, Lahiri A, Li S-T, Mukherjee S, Ohno H, Petreczky P, Schmidt C, Steinbrecher P (2019)
PHYSICAL REVIEW LETTERS 123(6): 062002.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We present a lattice-QCD-based determination of the chiral phase transition temperature in QCD with two degenerate, massless quarks and a physical strange quark mass using lattice QCD calculations with the highly improved staggered quarks action. We propose and calculate two novel estimators for the chiral transition temperature for several values of the light quark masses, corresponding to Goldstone pion masses in the range of 58 MeV less than or similar to m(pi) less than or similar to 163 MeV. The chiral phase transition temperature is determined by extrapolating to vanishing pion mass using universal scaling analysis. Finite-volume effects are controlled by extrapolating to the thermodynamic limit using spatial lattice extents in the range of 2.8-4.5 times the inverse of the pion mass. Continuum extrapolations are carried out by using three different values of the lattice cutoff, corresponding to lattices with temporal extents N-tau = 6, 8, and 12. After thermodynamic, continuum, and chiral extrapolations, we find the chiral phase transition temperature T-c(0) = 132(-6)(+3) MeV.
Erscheinungsjahr
2019
Zeitschriftentitel
PHYSICAL REVIEW LETTERS
Band
123
Ausgabe
6
Art.-Nr.
062002
ISSN
0031-9007
eISSN
1079-7114
Page URI
https://pub.uni-bielefeld.de/record/2937109

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Ding H-T, Hegde P, Kaczmarek O, et al. Chiral Phase Transition Temperature in (2+1)-Flavor QCD. PHYSICAL REVIEW LETTERS. 2019;123(6): 062002.
Ding, H. - T., Hegde, P., Kaczmarek, O., Karsch, F., Lahiri, A., Li, S. - T., Mukherjee, S., et al. (2019). Chiral Phase Transition Temperature in (2+1)-Flavor QCD. PHYSICAL REVIEW LETTERS, 123(6), 062002. doi:10.1103/PhysRevLett.123.062002
Ding, H. - T., Hegde, P., Kaczmarek, O., Karsch, F., Lahiri, A., Li, S. - T., Mukherjee, S., Ohno, H., Petreczky, P., Schmidt, C., et al. (2019). Chiral Phase Transition Temperature in (2+1)-Flavor QCD. PHYSICAL REVIEW LETTERS 123:062002.
Ding, H.-T., et al., 2019. Chiral Phase Transition Temperature in (2+1)-Flavor QCD. PHYSICAL REVIEW LETTERS, 123(6): 062002.
H.-T. Ding, et al., “Chiral Phase Transition Temperature in (2+1)-Flavor QCD”, PHYSICAL REVIEW LETTERS, vol. 123, 2019, : 062002.
Ding, H.-T., Hegde, P., Kaczmarek, O., Karsch, F., Lahiri, A., Li, S.-T., Mukherjee, S., Ohno, H., Petreczky, P., Schmidt, C., Steinbrecher, P.: Chiral Phase Transition Temperature in (2+1)-Flavor QCD. PHYSICAL REVIEW LETTERS. 123, : 062002 (2019).
Ding, H. -T., Hegde, P., Kaczmarek, Olaf, Karsch, Frithjof, Lahiri, Anirban, Li, S. -T., Mukherjee, Swagato, Ohno, H., Petreczky, P., Schmidt, Christian, and Steinbrecher, P. “Chiral Phase Transition Temperature in (2+1)-Flavor QCD”. PHYSICAL REVIEW LETTERS 123.6 (2019): 062002.

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arXiv: 1903.04801

Inspire: 1724780

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